| 摘要 |
A fluid detection needle assembly utilized to withdraw a blood sample from an arm of a human being through a needle member. The fluid detection needle assembly replaces a conventional needle assembly having 1) an inlet needle cover member; 2) a detection needle support assembly connected to the needle member; and 3) a fluid receiving tube assembly to receive a human's blood sample therein. The fluid detection needle assembly includes 1) an inlet needle assembly having the needle member; 2) a fluid observation assembly to receive a blood sample from the inlet needle assembly; 3) an intermediate connector assembly; and 4) a discharge needle assembly connected to the intermediate connector assembly. The fluid observation assembly includes a fluid observation section constructed of a clear material operable to receive an initial portion of a human's blood sample to indicate that the needle member has penetrated a blood vessel or vein in the human's arm from which a blood sample is being taken.
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